Messages in this thread | | | Date | Thu, 5 Jun 1997 13:47:46 +0200 | From | Harald Koenig <> | Subject | Re: Ext2fs and hashed table. |
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On Jun 5, Systemkennung Linux wrote:
> > Yes, sparse files make a lot of sense. > > > > Except for the administrator of a machine with evil users who > > purposesly make files with huge holes in them, the volume gets backed > > up to tape using tar and fits, he tries to restore it later and lo and > > behold the disk lacks the room for the files. Classic problem. > > GNU tar option --sparse / -S handles sparse files.
I'd say "tries to handle"... gnu-tar can't distinguish between allocated blocks all zero and sparse holes. in case where it's important that some areas are really allocated, gnu-tar may break your files. might not be a common problem but tar just can't deal with sparse files perfectly; dump/restore can...
Harald -- All SCSI disks will from now on ___ _____ be required to send an email notice 0--,| /OOOOOOO\ 24 hours prior to complete hardware failure! <_/ / /OOOOOOOOOOO\ \ \/OOOOOOOOOOOOOOO\ \ OOOOOOOOOOOOOOOOO|// Harald Koenig, \/\/\/\/\/\/\/\/\/ Inst.f.Theoret.Astrophysik // / \\ \ koenig@tat.physik.uni-tuebingen.de ^^^^^ ^^^^^
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