RAID: Difference between revisions
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== always write back == | == always write back == | ||
=HOWTO= | |||
==Remove raid metadata from disk== | |||
DISK=/dev/sdc | |||
# the last bit | |||
dd if=/dev/zero of=$DISK bs=512 seek=$(( $(blockdev --getsz $DISK) - 1024 )) count=1024 | |||
# the first bit | |||
dd if=/dev/zero of=$DISK bs=512 count=1 | |||
Revision as of 15:34, 13 April 2023
Redundant Array of Inexpensive Disks
- http://en.wikipedia.org/wiki/RAID
- Linux Software Raid
- Raid Calculator
- https://kb.open-e.com/information-on-configuring-for-optimal-raid-performance_1323.html
ACHTUNG don't forget block/partition alignment!
Cache settings
write through
write back
always write back
HOWTO
Remove raid metadata from disk
DISK=/dev/sdc # the last bit dd if=/dev/zero of=$DISK bs=512 seek=$(( $(blockdev --getsz $DISK) - 1024 )) count=1024 # the first bit dd if=/dev/zero of=$DISK bs=512 count=1
