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seatech
2003 Feb 06
4
Lost writes upon disk power failure
Hi,
I'm encountering a strange situation.
I'm writing to an ext3 filesystem mounted like this:
/dev/scsi/host2/bus0/target0/lun0/part3 on /tmp/volumes/md0 type ext3 (rw,noatime,data=ordered)
with the physical device being a FC-connected RAID (IBM DF4000)
no software raid personality is used
I'm using 2.4.18-19.7
My test program writes files in a loop, with the essential system
2003 Feb 20
1
EXT3 and disk write back cache
...e back cache enabled?
3. I understand Linux supports write barrier for IDE disks, does EXT3
utilize write barrier? If so, will write barrier work for EXT3 running on
top of an md device?
Thanks,
Rob
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Boon Storage Technologies, Inc.
rgliu@sr5tech.com
(408)393-8998
http://www.sr5tech.com
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