Re: [gentoo-user] ext4 reserved space and defragmentation?

2010-06-27 Thread Alan McKinnon
On Sunday 27 June 2010 10:27:13 Florian Philipp wrote: > Besides, reserving some space for root can save your rear-end in case > some user fills up your root partition. As long as root's processes > still have a bit of disk space available, he can still log in and clean > up the mess. > > I agree

Re: [gentoo-user] ext4 reserved space and defragmentation?

2010-06-27 Thread Dale
Stroller wrote: I'm pretty sure that just means that Linux will try to put files in contiguous sectors, so they're not fragmented, and that as you run out of space it's generally harder to do that. But I would imagine this is particularly the case with the occasional large file on a typical

Re: [gentoo-user] ext4 reserved space and defragmentation?

2010-06-27 Thread Stroller
On 27 Jun 2010, at 08:52, Shaochun Wang wrote: ... "Reserving some number of filesystem blocks for use by privileged processes is done to avoid filesystem fragmentation" It means that filesystem defragmentation need such reserved blocks to work properly, am I right? If so, c

Re: [gentoo-user] ext4 reserved space and defragmentation?

2010-06-27 Thread Florian Philipp
Am 27.06.2010 09:52, schrieb Shaochun Wang: > Hi: > > I want to tune my ext4 filesystem of NAS data partition to free its > reserved space by using "tune2fs -m0 ". By reading the > manual of tune2fs, I observed the following words: > > "Reserving some number of filesystem blocks for use by

[gentoo-user] ext4 reserved space and defragmentation?

2010-06-27 Thread Shaochun Wang
Hi: I want to tune my ext4 filesystem of NAS data partition to free its reserved space by using "tune2fs -m0 ". By reading the manual of tune2fs, I observed the following words: "Reserving some number of filesystem blocks for use by privileged processes is done to avoid filesystem