Why dmesg is showing write through when the disk connected to Adaptec AAC-RAID is set to write-back as per Adaptec Storage Manager?
Issue
Why dmesg is showing write through when the disk connected to Adaptec AAC-RAID is set to write back as per Adaptec Storage Manager?
dmesg command is showing following output.
Vendor: Adaptec Model: Data Rev: V1.0
Type: Direct-Access ANSI SCSI revision: 02
sdb : very big device. try to use READ CAPACITY(16).
SCSI device sdb: 9762222080 512-byte hdwr sectors (4998258 MB)
sdb: Write Protect is off
sdb: Mode Sense: 06 00 10 00
SCSI device sdb: drive cache: write through w/ FUA
sdb : very big device. try to use READ CAPACITY(16).
SCSI device sdb: 9762222080 512-byte hdwr sectors (4998258 MB)
sdb: Write Protect is off
sdb: Mode Sense: 06 00 10 00
SCSI device sdb: drive cache: write through w/ FUA
sdb: sdb1
sd 0:0:1:0: Attached scsi removable disk sdb
Environment
Red Hat Enterprise Linux 5
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