Difference: WiP1 (22 vs. 23)

Revision 232011-01-07 - crlb

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META TOPICPARENT name="ColinLeavettBrown"
-- ColinLeavettBrown - 2010-07-20

Lustre Procedures

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 [root@elephant bin]# lctl conf_param lustre-OST0004.osc.active=0 [root@elephant bin]#
Added:
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>

Proc 5: Restoring a corrupted PV after a motherboard replacement.

Index Up Down

On e4:
dd if=/dev/sdb of=/tmp/boot.txt bs=512 count=1

On e3:
scp crlb@e4:/tmp/boot.txt boot-e4.txt
dd if=boot-e4.txt of=/dev/sdb bs=512 count=1
fdisk -l /dev/sdb

pvcreate --restorefile /etc/lvm/backup/vg00 --uuid f26AZq-ycTI-7QKf-3yn9-3VCe-w1V3-dOaKlk /dev/sdb
* uuid was taken from /etc/lvm/backup/vg00
vgcfgrestore vg00
pvscan
vgchange -ay vg00
mount -a
mountOSTs 
df
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