Filesystems larger than 2TB?
astuy at bio.fsu.edu
Fri Jul 20 20:17:26 UTC 2007
Ivan Voras-2 wrote:
> Francisco Reyes wrote:
>> I many postings I have seen references of filesystems greater than 2TB,
>> yet I have tried several times to create them and have had problems.
>> Is there a way to create slices and filesystems greater than 2TB in 6.2?
>> Perhaps one needs to do it outside sysinstall?
> Yes, you need to do it outside of sysinstall. There are two ways:
> 1. don't use partitions/slices at all and create the file system on the
> raw device (i.e. newfs /dev/da0)
> 2. use GPT partitions.
> The first one is recommended in 6.x.
Thanks, #1 worked for me. I had two 3ware raid 5 arrays way over 2tb. I
did "newfs <devicename>" on each (ie newfs /dev/da0) and result is:
sigma# uname -a
FreeBSD sigma.bio.fsu.edu 6.2-RELEASE FreeBSD 6.2-RELEASE #0: Fri Jan 12
08:43:30 UTC 2007 root at portnoy.cse.buffalo.edu:/usr/obj/usr/src/sys/SMP
sigma# df -h
Filesystem Size Used Avail Capacity Mounted on
/dev/da1s1a 989M 40M 870M 4% /
devfs 1.0K 1.0K 0B 100% /dev
/dev/da1s1f 4.8G 12K 4.5G 0% /tmp
/dev/da1s1h 11G 37M 10G 0% /users
/dev/da1s1d 24G 753M 22G 3% /usr
/dev/da1s1e 19G 4.0K 18G 0% /usr/local/www
/dev/da1s1g 7.7G 280K 7.1G 0% /var
/dev/da0 6.6T 2.5G 6.1T 0% /data0
/dev/da2 4.6T 1.6G 4.3T 0% /data2
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