* [Qemu-devel] Can I create img more thant 16TB? @ 2018-08-03 4:46 lampahome 2018-08-03 6:59 ` Kevin Wolf 2018-08-03 7:54 ` Daniel P. Berrangé 0 siblings, 2 replies; 3+ messages in thread From: lampahome @ 2018-08-03 4:46 UTC (permalink / raw) To: QEMU Developers There's file size maximum in ext4 and it's 16TB Can I create qcow2 ex:32TB and write more than 16TB? thx ^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [Qemu-devel] Can I create img more thant 16TB? 2018-08-03 4:46 [Qemu-devel] Can I create img more thant 16TB? lampahome @ 2018-08-03 6:59 ` Kevin Wolf 2018-08-03 7:54 ` Daniel P. Berrangé 1 sibling, 0 replies; 3+ messages in thread From: Kevin Wolf @ 2018-08-03 6:59 UTC (permalink / raw) To: lampahome; +Cc: QEMU Developers Am 03.08.2018 um 06:46 hat lampahome geschrieben: > There's file size maximum in ext4 and it's 16TB > > Can I create qcow2 ex:32TB and write more than 16TB? qcow2 images can be larger than 16 TB, but if you actually write that much data to them, you can't store them on ext4, because obviously they are still just files and the filesystem limit applies. Kevin ^ permalink raw reply [flat|nested] 3+ messages in thread
* Re: [Qemu-devel] Can I create img more thant 16TB? 2018-08-03 4:46 [Qemu-devel] Can I create img more thant 16TB? lampahome 2018-08-03 6:59 ` Kevin Wolf @ 2018-08-03 7:54 ` Daniel P. Berrangé 1 sibling, 0 replies; 3+ messages in thread From: Daniel P. Berrangé @ 2018-08-03 7:54 UTC (permalink / raw) To: lampahome; +Cc: QEMU Developers On Fri, Aug 03, 2018 at 12:46:19PM +0800, lampahome wrote: > There's file size maximum in ext4 and it's 16TB > > Can I create qcow2 ex:32TB and write more than 16TB? You'll need to switch to a more scalable filesystem such as XFS to be able to write more then 16TB of data. Regards, Daniel -- |: https://berrange.com -o- https://www.flickr.com/photos/dberrange :| |: https://libvirt.org -o- https://fstop138.berrange.com :| |: https://entangle-photo.org -o- https://www.instagram.com/dberrange :| ^ permalink raw reply [flat|nested] 3+ messages in thread
end of thread, other threads:[~2018-08-03 7:55 UTC | newest] Thread overview: 3+ messages (download: mbox.gz follow: Atom feed -- links below jump to the message on this page -- 2018-08-03 4:46 [Qemu-devel] Can I create img more thant 16TB? lampahome 2018-08-03 6:59 ` Kevin Wolf 2018-08-03 7:54 ` Daniel P. Berrangé
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