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分类: LINUX

2012-08-09 17:26:24

Hi,

I'm running centOS 4.3 and I just update the kernel to 2.6.17.6. I notice this some 'write protect is off' message on dmesg but I'm not sure if thats normal or not.

do you know anything about it

Code:
root@memory [~]# dmesg | grep sd SCSI device sda: 390721968 512-byte hdwr sectors (200050 MB) sda: Write Protect is off sda: Mode Sense: 00 3a 00 00 SCSI device sda: drive cache: write back SCSI device sda: 390721968 512-byte hdwr sectors (200050 MB) sda: Write Protect is off sda: Mode Sense: 00 3a 00 00 SCSI device sda: drive cache: write back sda: sda1 sda2 sda3 sda4 < sda5 sda6 sda7 > sd 0:0:0:0: Attached scsi disk sda SCSI device sdb: 390721968 512-byte hdwr sectors (200050 MB) sdb: Write Protect is off sdb: Mode Sense: 00 3a 00 00 SCSI device sdb: drive cache: write back SCSI device sdb: 390721968 512-byte hdwr sectors (200050 MB) sdb: Write Protect is off sdb: Mode Sense: 00 3a 00 00 SCSI device sdb: drive cache: write back sdb: sdb1 sd 1:0:0:0: Attached scsi disk sdb sd 0:0:0:0: Attached scsi generic sg0 type 0 sd 1:0:0:0: Attached scsi generic sg1 type 0 EXT3 FS on sda1, internal journal EXT3 FS on sdb1, internal journal EXT3 FS on sda7, internal journal EXT3 FS on sda6, internal journal EXT3 FS on sda3, internal journal EXT3 FS on sda2, internal journal Adding 2096440k swap on /dev/sda5. Priority:-1 extents:1 across:2096440k any ideas?
It's just checking to see if the drive/media has a write protect feature, and if so, the status of said feature.
so it is normal... cool

thx
Yep, I get the same message with my serial ATA hard drive. Nothing to worry about.
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