viernes, 23 de agosto de 2019
Archivos
Buscar archivos mayores a 500 mb
find . -type f -size +500M -exec ls -lh {} \;| awk '{ print $5 "\t" $9}' |sort -k 3
jueves, 22 de agosto de 2019
Agregar area de Swap a una existente
Estos son los comandos, resumidos:
lvcreate -n lv_swap2 -L50g /dev/VolGroup00 mkswap /dev/VolGroup00/lv_swap2 agregar esta linea al /etc/fstab : /dev/mapper/VolGroup00-lv_swap2 swap swap defaults 0 0 swapon -va free -m
Aca esta el paso a paso detallado
[root@plana]# lvcreate -n lv_swap2 -L50g /dev/VolGroup00
Logical volume "lv_swap2" created.
[root@plana]# mkswap /dev/VolGroup00/lv_swap2
mkswap: /dev/VolGroup00/lv_swap2: warning: don't erase bootbits sectors on whole disk.
Use -f to force. Setting up swapspace version 1, size = 52428796 KiB
[root@plana]# vi /etc/fstab (agregar la linea a continuacion descripta)
/dev/mapper/VolGroup00-lv_swap2 swap swap defaults 0 0
[root@plan]# swapon -va swapon on /dev/mapper/VolGroup00-lv_swap2
swapon: /dev/mapper/VolGroup00-lv_swap2: found swap signature: version 1, page-size 4, same byte order swapon: /dev/mapper/VolGroup00-lv_swap2: pagesize=4096, swapsize=53687091200, devsize=53687091200
[root@plan]# free -m total used free shared buffers cached
Mem: 258208 169225 88982 0 1642 128652 -/+ buffers/cache: 38931 219277 Swap: 67583 2197 65386
[root@plan]#
lvcreate -n lv_swap2 -L50g /dev/VolGroup00 mkswap /dev/VolGroup00/lv_swap2 agregar esta linea al /etc/fstab : /dev/mapper/VolGroup00-lv_swap2 swap swap defaults 0 0 swapon -va free -m
Aca esta el paso a paso detallado
[root@plana]# lvcreate -n lv_swap2 -L50g /dev/VolGroup00
Logical volume "lv_swap2" created.
[root@plana]# mkswap /dev/VolGroup00/lv_swap2
mkswap: /dev/VolGroup00/lv_swap2: warning: don't erase bootbits sectors on whole disk.
Use -f to force. Setting up swapspace version 1, size = 52428796 KiB
[root@plana]# vi /etc/fstab (agregar la linea a continuacion descripta)
/dev/mapper/VolGroup00-lv_swap2 swap swap defaults 0 0
[root@plan]# swapon -va swapon on /dev/mapper/VolGroup00-lv_swap2
swapon: /dev/mapper/VolGroup00-lv_swap2: found swap signature: version 1, page-size 4, same byte order swapon: /dev/mapper/VolGroup00-lv_swap2: pagesize=4096, swapsize=53687091200, devsize=53687091200
[root@plan]# free -m total used free shared buffers cached
Mem: 258208 169225 88982 0 1642 128652 -/+ buffers/cache: 38931 219277 Swap: 67583 2197 65386
[root@plan]#
jueves, 15 de agosto de 2019
Errores de Mail
Aca demostramos que el mail esta configurado en el linux y pero lo rebota el smtp
# echo hola | sendmail -v -Am nicolas@dominio.com.ar
nicolas@dominio.com.ar... Connecting to smtp.dominio.com.ar. via relay... 220 X3.dominio.dominio.com.ar Microsoft ESMTP MAIL Service ready at Thu,13:12:14 >>> EHLO linux.dominio.com.ar 250-mailbox.dominio.arg.dominio.com.ar Hello [10.10.10.108] 250-SIZE 250-PIPELINING 250-DSN 250-ENHANCEDSTATUSCODES 250-STARTTLS 250-X-ANONYMOUSTLS 250-AUTH NTLM 250-X-EXPS GSSAPI NTLM 250-8BITMIME 250-BINARYMIME 250-CHUNKING 250-XEXCH50 250-XRDST 250 XSHADOWREQUEST >>> STARTTLS 220 2.0.0 SMTP server ready >>> EHLO linux.dominio.com.ar 250-mailbox.dominio.arg.dominio.com.ar Hello [10.10.10.108] 250-SIZE 250-PIPELINING 250-DSN 250-ENHANCEDSTATUSCODES 250-AUTH NTLM LOGIN 250-X-EXPS GSSAPI NTLM 250-8BITMIME 250-BINARYMIME 250-CHUNKING 250-XEXCH50 250-XRDST 250 XSHADOWREQUEST >>> MAIL From:<root@linux.dominio.com.ar> SIZE=5 530 5.7.1 Client was not authenticated /root/dead.letter... Saved message in /root/dead.letter Closing connection to smtp.dominio.com.ar. >>> QUIT
lunes, 5 de agosto de 2019
Habilitacion de repo con error
Pidieron habilitar un repositorio rhel-server-rhscl-7-rpms , lo hicimos de la siguiente manera;
subscription-manager repos --enable rhel-7-server-extras-rpms
subscription-manager repos --enable rhel-server-rhscl-7-rpms
subscription-manager repos --list-enabled
Al intentar usarlo, nos tira error
yum install php
https://sat1.dominio.com.ar/pulp/repos/telecom/Library/content/dist/rhel/server/7/7.5/x86_64/rhscl/1/os/repodata/repomd.xml: [Errno 14] HTTPS Error 404 - Not Found
Trying other mirror.
Cuando pasa que nos muestra la version(resaltada en el parrafo anterior) en lugar de esto rhel/server/7/7Server/x86_64 significa que es porque tiene seteado el release (que lo usamos para llevar a una version especifica en este caso 7.5 al momento de instalar el so) simplemente le sacamos el release y limpiamos los repos asi:
subscription-manager release --unset
yum clean all yum list
viernes, 5 de julio de 2019
Agregar raw device al oracle rac
En el siguiente ejemplo nos piden agregar 2 luns
ora1]# rescan-scsi-bus.sh
Scanning SCSI subsystem for new devices
Scanning host 0 for SCSI target IDs 0 1 2 3 4 5 6 7, all LUNs
Scanning for device 0 0 0 0 ... 0 ...
OLD: Host: scsi0 Channel: 00 Id: 00 Lun: 00
Vendor: HP Model: LOGICAL VOLUME Rev: 4.52
Type: Direct-Access ANSI SCSI revision: 05
Scanning for device 0 3 0 0 ... 0 ...
OLD: Host: scsi0 Channel: 03 Id: 00 Lun: 00
Vendor: HP Model: P440ar Rev: 4.52
Type: RAID ANSI SCSI revision: 05
Scanning host 1 for all SCSI target IDs, all LUNs
Scanning for device 1 0 0 0 ...
OLD: Host: scsi1 Channel: 00 Id: 00 Lun: 00
Vendor: EMC Model: Invista Rev: 5520
Type: Direct-Access ANSI SCSI revision: 04
Scanning for device 1 0 0 1 ...
ACA CORTO LA SALIDA PORQUE ES MUY LARGA
8 new or changed device(s) found.
[1:0:0:31]
[1:0:0:32]
[1:0:1:31]
[1:0:1:32]
[2:0:0:31]
[2:0:0:32]
[2:0:1:31]
[2:0:1:32]
0 remapped or resized device(s) found.
0 device(s) removed.
Si el procedimiento de arriba no funciona o no esta instalado el rescan-scsi-bus.sh , copiar y pegar el script siguiente :
for s in $(ls /sys/class/scsi_host)
do
FILE="/sys/class/fc_host/$s/issue_lip"
if [ -f $FILE ];
then
echo $s "lip"
echo "1" > /sys/class/fc_host/$s/issue_lip
#else
#echo "File $FILE no existe"
fi
FILE="/sys/class/scsi_host/$s/scan"
if [ -f $FILE ];
then
echo $s "scan"
echo "- - -" > /sys/class/scsi_host/$s/scan
#else
#echo "File $FILE does not exist."
fi
sleep 3
done
Ahora chequeo en Ambos Nodos, si en la salida del multipath -ll veo las luns que me asigno storage
[ ora1 ]# multipath -F; multipath -v2
Jul 05 14:19:09 | mp_fra02: map in use Jul 05 14:19:09 | mp_redo01: map in use Jul 05 14:19:09 | mp_fra01: map in use Jul 05 14:19:09 | mp_scannetfs: map in use Jul 05 14:19:09 | mp_data12: map in use Jul 05 14:19:09 | mp_data09: map in use Jul 05 14:19:09 | mp_data11: map in use Jul 05 14:19:09 | mp_data08: map in use Jul 05 14:19:09 | mp_data10: map in use Jul 05 14:19:09 | mp_data07: map in use Jul 05 14:19:09 | mp_data06: map in use Jul 05 14:19:09 | mp_data05: map in use Jul 05 14:19:09 | mp_data04: map in use Jul 05 14:19:09 | mp_u01: map in use Jul 05 14:19:09 | mp_ocr03: map in use Jul 05 14:19:09 | mp_data03: map in use Jul 05 14:19:09 | mp_u00: map in use Jul 05 14:19:09 | mp_fra04: map in use Jul 05 14:19:09 | mp_data02: map in use Jul 05 14:19:09 | mp_ocr02: map in use Jul 05 14:19:09 | mp_fra03: map in use Jul 05 14:19:09 | mp_redo02: map in use Jul 05 14:19:09 | mp_data01: map in use Jul 05 14:19:09 | mp_ocr01: map in use Jul 05 14:19:09 | mpatha: ignoring map create: mp_data13 (36000144000000010601ec9b99d38f9ec) undef EMC,Invista size=310G features='0' hwhandler='0' wp=undef `-+- policy='round-robin 0' prio=1 status=undef |- 1:0:0:31 sdct 70:16 undef ready running |- 2:0:0:31 sdcx 70:80 undef ready running |- 1:0:1:31 sdcv 70:48 undef ready running `- 2:0:1:31 sdcz 70:112 undef ready running create: mp_data14 (36000144000000010601ec9b99d38f9f0) undef EMC,Invista size=310G features='0' hwhandler='0' wp=undef `-+- policy='round-robin 0' prio=1 status=undef |- 1:0:0:32 sdcu 70:32 undef ready running |- 2:0:0:32 sdcy 70:96 undef ready running |- 1:0:1:32 sdcw 70:64 undef ready running `- 2:0:1:32 sdda 70:128 undef ready running [ora1]# [ora1]# multipath -F; multipath -v2 Jul 05 14:20:57 | mp_fra02: map in use Jul 05 14:20:57 | mp_redo01: map in use Jul 05 14:20:57 | mp_fra01: map in use Jul 05 14:20:57 | mp_scannetfs: map in use Jul 05 14:20:57 | mp_data12: map in use Jul 05 14:20:57 | mp_data09: map in use Jul 05 14:20:57 | mp_data11: map in use Jul 05 14:20:57 | mp_data08: map in use Jul 05 14:20:57 | mp_data10: map in use Jul 05 14:20:57 | mp_data07: map in use Jul 05 14:20:57 | mp_data06: map in use Jul 05 14:20:57 | mp_data05: map in use Jul 05 14:20:57 | mp_data04: map in use Jul 05 14:20:57 | mp_u01: map in use Jul 05 14:20:57 | mp_data03: map in use Jul 05 14:20:57 | mp_ocr03: map in use Jul 05 14:20:57 | mp_u00: map in use Jul 05 14:20:57 | mp_fra04: map in use Jul 05 14:20:57 | mp_data02: map in use Jul 05 14:20:57 | mp_ocr02: map in use Jul 05 14:20:57 | mp_fra03: map in use Jul 05 14:20:57 | mp_redo02: map in use Jul 05 14:20:57 | mp_data01: map in use Jul 05 14:20:57 | mp_ocr01: map in use Jul 05 14:20:57 | mpatha: ignoring map create: mp_data13 (36000144000000010601ec9b99d38f9ec) undef EMC,Invista size=310G features='0' hwhandler='0' wp=undef `-+- policy='round-robin 0' prio=1 status=undef |- 1:0:0:31 sdct 70:16 undef ready running |- 2:0:0:31 sdcx 70:80 undef ready running |- 1:0:1:31 sdcv 70:48 undef ready running `- 2:0:1:31 sdcz 70:112 undef ready running create: mp_data14 (36000144000000010601ec9b99d38f9f0) undef EMC,Invista size=310G features='0' hwhandler='0' wp=undef `-+- policy='round-robin 0' prio=1 status=undef |- 1:0:0:32 sdcu 70:32 undef ready running |- 2:0:0:32 sdcy 70:96 undef ready running |- 1:0:1:32 sdcw 70:64 undef ready running `- 2:0:1:32 sdda 70:128 undef ready running [ora1]#
[~]# multipath -ll|grep -i 00010601ec9b99d38f9ec mpathz (36000144000000010601ec9b99d38f9ec) dm-57 EMC,Invista [root@plscannetora1 ~]# multipath -ll|grep -i 00010601ec9b99d38f9f0 mpathaa (36000144000000010601ec9b99d38f9f0) dm-58 EMC,Invista [ora1]# Chequeo lo mismo en el otro nodo del rac [ora2 ~]# multipath -ll|grep -i 00010601ec9b99d38f9ec mpathz (36000144000000010601ec9b99d38f9ec) dm-57 EMC,Invista [root@plscannetora2 ~]# multipath -ll|grep -i 00010601ec9b99d38f9f0 mpathaa (36000144000000010601ec9b99d38f9f0) dm-58 EMC,Invista [ora2 ~]#
En ambos nodos del rac, hago un bkp del multipath.conf
[ora1]# cp multipath.conf multipath.conf.ant [ora2 ]# ls -l multipath.conf -rw-r--r-- 1 root root 6433 May 22 2018 multipath.conf [ora2 ]# cp multipath.conf multipath.conf.ant
En AMBOS nodos del rac ,edito el multipath.conf , y agrego la lun con el nombre que me indico base de datos, en este ejemplo el nombre que pidieron fue mp_data13 y mp_data14
multipath {
wwid 36000144000000010601ec9b99d38f9ec
alias mp_data13
}
multipath {
wwid 36000144000000010601ec9b99d38f9f0
alias mp_data14
}
Luego en uno de los nodos ejecuto el fdisk pero con la opcion -u para poder generar :
[ora1 ~]# fdisk -u /dev/mapper/mp_data13
WARNING: DOS-compatible mode is deprecated. It's strongly recommended to
switch off the mode (command 'c').
Command (m for help): d
Selected partition 1
Command (m for help): n
Command action
e extended
p primary partition (1-4)
p
Partition number (1-4): 1
First sector (63-650119679, default 63): 128
Last sector, +sectors or +size{K,M,G} (128-650119679, default 650119679):
Using default value 650119679
Command (m for help): t
Selected partition 1
Hex code (type L to list codes): 83
Command (m for help): w
The partition table has been altered!
Calling ioctl() to re-read partition table.
WARNING: Re-reading the partition table failed with error 22: Invalid argument.
The kernel still uses the old table. The new table will be used at
the next reboot or after you run partprobe(8) or kpartx(8)
Syncing disks.
[ora1 ~]#
[ora1 ~]# fdisk -u /dev/mapper/mp_data14
WARNING: DOS-compatible mode is deprecated. It's strongly recommended to
switch off the mode (command 'c').
Command (m for help): d
Selected partition 1
Command (m for help): n
Command action
e extended
p primary partition (1-4)
p
Partition number (1-4): 1
First sector (63-650119679, default 63): 128
Last sector, +sectors or +size{K,M,G} (128-650119679, default 650119679):
Using default value 650119679
Command (m for help): t
Selected partition 1
Hex code (type L to list codes): 83
Command (m for help): w
The partition table has been altered!
Calling ioctl() to re-read partition table.
WARNING: Re-reading the partition table failed with error 22: Invalid argument.
The kernel still uses the old table. The new table will be used at
the next reboot or after you run partprobe(8) or kpartx(8)
Syncing disks.
[ora1 ~]#
Solo en uno de los nodos , por ultimo ejecutar
[ora1 ~]# partprobe /dev/mapper/mp_data13 [ora1 ~]# partprobe /dev/mapper/mp_data14
chequeamos en el /dev/mapper/ como quedaron o si tienen reglas udev ( si las tienen aparece como owner oracle:grid , en ese caso hay que agregar en el /etc/udev...)
[ora1 ~]# ls -ltr /dev/mapper/mp_data1* lrwxrwxrwx 1 root root 8 Jan 8 08:14 /dev/mapper/mp_data10 -> ../dm-11 lrwxrwxrwx 1 root root 8 Jan 8 08:14 /dev/mapper/mp_data11 -> ../dm-13 lrwxrwxrwx 1 root root 8 Jan 8 08:14 /dev/mapper/mp_data12 -> ../dm-28 lrwxrwxrwx 1 root root 8 Jan 8 08:15 /dev/mapper/mp_data10p1 -> ../dm-30 lrwxrwxrwx 1 root root 8 Jan 8 08:15 /dev/mapper/mp_data11p1 -> ../dm-36 lrwxrwxrwx 1 root root 8 Jan 8 08:15 /dev/mapper/mp_data12p1 -> ../dm-43 lrwxrwxrwx 1 root root 8 Jul 5 14:46 /dev/mapper/mp_data13p1 -> ../dm-59 lrwxrwxrwx 1 root root 8 Jul 5 14:46 /dev/mapper/mp_data13 -> ../dm-57 lrwxrwxrwx 1 root root 8 Jul 5 14:46 /dev/mapper/mp_data14p1 -> ../dm-60 lrwxrwxrwx 1 root root 8 Jul 5 14:46 /dev/mapper/mp_data14 -> ../dm-58 [ora1 ~]#
En el otro nodo del rac, ejecutar un multipath -F ; multipath -v2 para que tome lo que ejecute en el otro nodo cuando hice el partprobe
[ora2 ~]# multipath -F; multipath -v2 Jul 05 15:25:38 | mp_fra02: map in use Jul 05 15:25:38 | mp_redo01: map in use Jul 05 15:25:38 | mp_fra01: map in use Jul 05 15:25:38 | mp_scannetfs: map in use Jul 05 15:25:38 | mp_data12: map in use Jul 05 15:25:38 | mp_data09: map in use Jul 05 15:25:38 | mp_data11: map in use Jul 05 15:25:38 | mp_data08: map in use Jul 05 15:25:38 | mp_data10: map in use Jul 05 15:25:38 | mp_data07: map in use Jul 05 15:25:38 | mp_data06: map in use Jul 05 15:25:38 | mp_data05: map in use Jul 05 15:25:38 | mp_data04: map in use Jul 05 15:25:38 | mp_u01: map in use Jul 05 15:25:38 | mp_data03: map in use Jul 05 15:25:38 | mp_ocr03: map in use Jul 05 15:25:38 | mp_u00: map in use Jul 05 15:25:38 | mp_fra04: map in use Jul 05 15:25:38 | mp_data02: map in use Jul 05 15:25:38 | mp_ocr02: map in use Jul 05 15:25:38 | mp_fra03: map in use Jul 05 15:25:38 | mp_redo02: map in use Jul 05 15:25:38 | mp_data01: map in use Jul 05 15:25:38 | mp_ocr01: map in use Jul 05 15:25:38 | mpatha: ignoring map create: mp_data13 (36000144000000010601ec9b99d38f9ec) undef EMC,Invista size=310G features='0' hwhandler='0' wp=undef `-+- policy='round-robin 0' prio=1 status=undef |- 1:0:0:31 sdct 70:16 undef ready running |- 2:0:0:31 sdcx 70:80 undef ready running |- 1:0:1:31 sdcv 70:48 undef ready running `- 2:0:1:31 sdcz 70:112 undef ready running create: mp_data14 (36000144000000010601ec9b99d38f9f0) undef EMC,Invista size=310G features='0' hwhandler='0' wp=undef `-+- policy='round-robin 0' prio=1 status=undef |- 1:0:0:32 sdcu 70:32 undef ready running |- 2:0:0:32 sdcy 70:96 undef ready running |- 1:0:1:32 sdcw 70:64 undef ready running `- 2:0:1:32 sdda 70:128 undef ready running [ora2 ~]#
Instalar docker-compose
Para instalar docker-compose, primero se debe instalar docker
[app5 ~]# yum install docker
Loaded plugins: langpacks, product-id, search-disabled-repos, subscription-manager rhel-7-server-extras-rpms | 2.0 kB 00:00:00 rhel-7-server-optional-rpms | 2.0 kB 00:00:00 rhel-7-server-rpms | 2.0 kB 00:00:00 rhel-7-server-supplementary-rpms | 2.0 kB 00:00:00 Dependencies Resolved ========================================================================================================================== Package Arch Version Repository Size ========================================================================================================================== Installing: docker x86_64 2:1.13.1-88.git07f3374.el7 rhel-7-server-extras-rpms 17 M Installing for dependencies: PyYAML x86_64 3.10-11.el7 rhel-7-server-rpms 153 k atomic-registries x86_64 1:1.22.1-26.gitb507039.el7 rhel-7-server-extras-rpms 35 k audit-libs-python x86_64 2.8.4-4.el7 rhel-7-server-rpms 76 k checkpolicy x86_64 2.5-8.el7 rhel-7-server-rpms 295 k container-selinux noarch 2:2.74-1.el7 rhel-7-server-extras-rpms 37 k container-storage-setup noarch 0.11.0-2.git5eaf76c.el7 rhel-7-server-extras-rpms 35 k containers-common x86_64 1:0.1.31-7.gitb0b750d.el7 rhel-7-server-extras-rpms 18 k docker-client x86_64 2:1.13.1-88.git07f3374.el7 rhel-7-server-extras-rpms 3.8 M docker-common x86_64 2:1.13.1-88.git07f3374.el7 rhel-7-server-extras-rpms 95 k docker-rhel-push-plugin x86_64 2:1.13.1-88.git07f3374.el7 rhel-7-server-extras-rpms 1.9 M libsemanage-python x86_64 2.5-14.el7 rhel-7-server-rpms 113 k libyaml x86_64 0.1.4-11.el7_0 rhel-7-server-rpms 55 k oci-register-machine x86_64 1:0-6.git2b44233.el7 rhel-7-server-extras-rpms 1.1 M oci-systemd-hook x86_64 1:0.1.18-2.git3efe246.el7 rhel-7-server-extras-rpms 34 k oci-umount x86_64 2:2.3.4-2.git87f9237.el7 rhel-7-server-extras-rpms 32 k policycoreutils-python x86_64 2.5-29.el7 rhel-7-server-rpms 456 k python-IPy noarch 0.75-6.el7 rhel-7-server-rpms 32 k python-pytoml noarch 0.1.14-1.git7dea353.el7 rhel-7-server-extras-rpms 18 k setools-libs x86_64 3.3.8-4.el7 rhel-7-server-rpms 620 k Updating for dependencies: audit x86_64 2.8.4-4.el7 rhel-7-server-rpms 250 k audit-libs i686 2.8.4-4.el7 rhel-7-server-rpms 101 k audit-libs x86_64 2.8.4-4.el7 rhel-7-server-rpms 100 k Transaction Summary ========================================================================================================================== Install 1 Package (+19 Dependent packages) Upgrade ( 3 Dependent packages) Total download size: 27 M Is this ok [y/d/N]: y Downloading packages:
El paso siguiente es bajar de internet, el docker compose, se puede bajar de esta web :
https://github.com/docker/compose/releases
Al ingresar al link mencionado arriba, me baja el archivo docker-compose-Linux-x86_64 , el cual lo debo poner en /usr/local/bin/ con el nombre docker-compose tal como muestro a continuacion:
mv docker-compose-Linux-x86_64 /usr/local/bin/docker-compose
Eso es todo
miércoles, 3 de julio de 2019
Restore de Sistema Operativo de una maquina virtual
Con el equipo prendido, ir a cd/dvd drive 1 y seleccionar
Connect to ISO image on local disk
Elegir la imagen para bootear
En este paso, hay que darle para entar al Setup del equipo y seleccionar la secuencia de booteo
como CD-rom
Grabar los cambios y salir
Cuando bootea de CD, tipear linux rescue
Cuando bootea de Cd, hay que setear la red ( tener a mano, la ip , y mascara de red del equipo a restorear)
En este paso CAMBIAR a MANUAL, para ponerle la direccion ip y la mascara de red
setearle el gateway
Aparece un cartel de que vamos a montar la instalacion Linux como read/write en el /mnt/sysimage
darle ( Continue )
OJO ACA
Mucho cuidado, tipear < NO > porque caso contrario intentara crear una nueva particion en el disco, borrando la existente
OJO Aca tambien, porque volvera a intentar crear una nueva particion, asi que tipear < NO >
nos muestra un carte del finalizacion
nos muestra un carte del finalizacion
Ahora si, chequeo la conectividad contra el equipo linux234
ping 10.1.2.3
Si funciona la red, lo que debo hacer es :
df -h
umount -l /mnt/sysimage/dev
umount /mnt/sysimage/boot
umount /mnt/sysimage
mkfs.ext3 /dev/VolGroup00/LogVol00 *** o LV_root como o se llame donde monta el /
mount /dev/VolGroup00/LogVol00 /mnt/sysimage
cd /mnt/sysimage
ssh root@10.1.2.3 gzip -dc /backupsos/lnx0038/lnx0038.root.*gz | restore -xvolf -
En este ejemplo el restore tardaba muchisimo debido a que tenia mas de 3 millones de archivos en el /var/spool/clientmqueue/* , y lo solucionamos , agregando un disco, creando un fs nuevo /restore , copiando el archivo.dump.gz a dicho fs y descomprimiendolo despues. Y Ademas, el restore lo hicimos selectivo, es decir de todo menos del /var/spool/clientmqueue
la sintaxis usada fue :
cd /mnt/sysimage; restore -ivf /mnt/sysimage/restore/lnx0038.root.dump
**con los parametros ivf lo abre en modo interactivo, te move, con cd , ls, seleccionas con add y lo extraes con ex
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