Beni Cherniavsky wrote:
> I'm afraid that's too OT (since linux supports pretty much all drives
> ;-), so here is a related question: what measures (short of RAID)
> could I use to reduce the risk of disk errors?  I'm starting to be
> annoyed by them, every time it takes long to recover and then not
> always all is recovered...  Are some filesystems (reiser?) less
> fragile than others?  

No. They all are pretty fragile. Though the journaling FS are less likely
to fail due to system crashes, etc.

The only system that will survive a single disk crash is raid 5. You set
up a raid array with 4 drives, it places checksums on one and data on
3. This can be done with any standard PC if you are willing to fogo a 
CD-ROM. 

What we did is install a scsi controler and hard drive for the system and
put the critical data on the raid array. During instalation we had a CD-ROM
on the IDE interface. Once the system was installed we pulled the CD-ROM and
installed 4 IDE drives, making them a RAID array.


Just a comment on backup. We use an HP-ultrium LTO drive and changer. With
HP Data Protector software (requires a UNIX host) with the tape drive
on a linux machine and can backup 500gb in 24 hours.


Geoff.

-- 
Geoffrey S. Mendelson
MobilEye Vision Technologies Ltd, R.M.P.E House, 10 Hartom St. Har Hotzvim
Jerusalem, 91450 Israel Tel: +972-2-5417-356 Cell: +972-55-667-090
Do sysadmins count networked sheep?

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