What is the the maximum logical volume size?
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Quoted 1 line · Andrew PAtterson
I am tring to figure out what the maximum logical volume size is.
It may be 1 TB or it may be 2TB. Depends on whether all of the code in use use uses unsigned longs for block numbers, or if some use signed longs. 2TB is the outer limit for now (unless you start playing games inside LVM, to have 4kB hard sector size, and remap to the disk 512 byte sector size).
Does it really matter? This is PER LV,
What does "PER" mean?
so if you really need to have an
Quoted 3 lines
LV that large, give it a try and let us know what works. I've seen a report of someone with a 1 TB device (some kind of HW RAID, not LVM) under Linux, so I know that works, but I haven't seen larger yet.
Okay, I'll give it a try.
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I wouldn't want to be keeping all of my eggs in such a large basket. I'd much rather have several smaller filesystems, especially since you STILL need to fsck on occasion (don't let reiserfs journaling fool you, you can still have SW/HW problems that will corrupt the filesystem).
I agree with you, but I am not the sys-admin for the person who wants this capability.
Thanks,
Andrew
Quoted 7 lines · Andrew
Quoted 5 lines
It may be 1 TB or it may be 2TB. Depends on whether all of the code in use use uses unsigned longs for block numbers, or if some use signed longs.
Does it really matter? This is PER LV,
What does "PER" mean?
My Websters defines "per" as "for each [ 50 cents _per_ yard ]". That means, you can have up to 1TB (or maybe 2TB) for _each_ LV. This is NOT a 1TB limit for the total size of all the LVs in a single VG.
Cheers, Andreas
Signature · 3 lines
Andreas Dilger \ "If a man ate a pound of pasta and a pound of antipasto,
\ would they cancel out, leaving him still hungry?"
http://www-mddsp.enel.ucalgary.ca/People/adilger/ -- Dogbert