Is it possible to change the block size on SCSI disks?
Issue
-
Is it possible to change the block size on SCSI disk devices? The
blockdevcommand in RHEL provides information about currently used block size for SCSI disk, is there any utility/command to change block size?$ blockdev --getbsz /dev/sdab 4096 $ blockdev --getbsz /dev/sdac 4096 $ blockdev --getbsz /dev/sdag 4096 $ blockdev --getbsz /dev/sdar 4096 $ blockdev --getbsz /dev/sdak 4096 -
How do I modify the block size of a disk device?
- How can I change the block size to 4Kb for a disk device? The device currently shows 512 bytes.
- How can I change the block size to 8Kb for a disk device?
- How can I change the block size to 16Kb for a disk device?
- How can I change the block size to 128Kb for a disk device?
Environment
- Red Hat Enterprise Linux 5, 6, 7
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