Revision [3688]
Last edited on 2010-04-21 06:30:00 by KenFongAdditions:
# Scan existing raid config
mdadm --detail --scan
# Scan existing raid volumes and perform assembly
mdadm -A --scan
mdadm --detail --scan
# Scan existing raid volumes and perform assembly
mdadm -A --scan
Deletions:
mdadm --detail --scan
Revision [3502]
Edited on 2009-08-24 21:40:09 by WikiAdminAdditions:
===Stripe cache===
If you are running raid4,5,6, setting a higher stripe cache may boost write performance signficantly
echo 8192 > /sys/block/md2/md/stripe_cache_size
http://linux.derkeiler.com/Mailing-Lists/Kernel/2008-06/msg03344.html
If you are running raid4,5,6, setting a higher stripe cache may boost write performance signficantly
echo 8192 > /sys/block/md2/md/stripe_cache_size
http://linux.derkeiler.com/Mailing-Lists/Kernel/2008-06/msg03344.html
Revision [2352]
Edited on 2009-07-02 08:43:54 by WikiAdminAdditions:
Create a volume with missing drive
mdadm --create /dev/md3 --level=1 --raid-devices=2 /dev/sdb6 missing
Add a device to a raid volume
mdadm /dev/md3 --add /dev/sda6
mdadm --create /dev/md3 --level=1 --raid-devices=2 /dev/sdb6 missing
Add a device to a raid volume
mdadm /dev/md3 --add /dev/sda6
