On Fri, Feb 13, 2009 at 12:16 AM, Joe Landman < land...@scalableinformatics.com> wrote:
> Jin, Yao wrote: > >> Ten 1TB disks make up of a RAID-5 volume. >> My OS is rockslinux 5.0(based on centos 5.1), only ext3 is available >> during installation. >> This volumn is partitioned as one single ext3 filesystem. >> >> On the first reboot after installation , the error occurs: >> The filesystem size is 1952447718 blocks >> Physical size is 341834982 bloks. >> The filesystem is corrupted. >> >> I find that filesystem size is in agreement with actual capacity( >> 1952447718*4Kb = 7.27TB). >> >> The partition can be mounted manually after entering system. But I can't >> stop worring about unexpected collapse... >> > > You shouldn't use ext3 for this situation. > > How is your RAID set up in terms of partition table? It needs to be gpt > based. Last I checked, Redhat/Centos 5.x had problems booting from GPT (is > this still true?) based systems. Default LABEL-TYPE is 'msdos'，after changing it into gpt, no error occurs.This is the first time I deal with volumn larger than 2TB. Thank you! > > > I would suggest carving out a LUN specific for boot/root, and use the rest > for storage. Moreover, use the xfs kernel module. If rockslinux 5.0 > doesn't support it, I'd suggest looking at different distributions > (seriously). > > Large file system support is not something ext3 is good at, and it is > something xfs is very good at. > > Joe > > >> >> ------------------------------------------------------------------------ >> >> _______________________________________________ >> Beowulf mailing list, Beowulf@beowulf.org >> To change your subscription (digest mode or unsubscribe) visit >> http://www.beowulf.org/mailman/listinfo/beowulf >> > > > -- > Joseph Landman, Ph.D > Founder and CEO > Scalable Informatics LLC, > email: land...@scalableinformatics.com > web : http://www.scalableinformatics.com > http://jackrabbit.scalableinformatics.com > phone: +1 734 786 8423 x121 > fax : +1 866 888 3112 > cell : +1 734 612 4615 >
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