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#filesystems

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JdeBP

@cks

Off By One Error in your post on this. (-:

Since 0 means a free directory entry, that's only 65535 i-nodes.

Mind you, at 8 i-nodes per block, you'd come close to the size of some contemporary discs with a maximally sized i-node table.

#Unix#filesystems
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Christian Brauner 🦊🐺

Picked back up the work for VFS {g,u}id squashing. IOW, mapping all {g,u}ids down to a single {g,u}id. Any process that doesn't have that {g,u}id but is still privileged otherwise will write to disk as the squashed {g,u}id. I just finished a draft and selftests that miraculously work.

web.git.kernel.org/pub/scm/lin

Probably "bugs galore" at this point. Needs more thinking.

web.git.kernel.orgkernel/git/vfs/vfs.git - VFS tree
#linux#kernel#vfs
Public
Stefano Marinelli

One of the main criticisms I read about ZFS (mainly OpenZFS) in forums and articles is that "it's not well integrated into Linux."
It's true - there is a licensing issue, and that shouldn't be underestimated. However, I believe it's wrong to judge it based on this - on FreeBSD, it is perfectly integrated (not to mention the various illumos-based OSes), and in my opinion, it should be judged for what it is, not for its integration into the different Linux distributions.

#OpenZFS#ZFS#FileSystems
Public
James Young

Surely someone's looked into this: if I wanted to store millions or billions of files on a filesystem, I wouldn't store them in one single subdirectory / folder. I'd split them up into nested folders, so each folder held, say, 100 or 1000 or n files or folders. What's the optimum n for filesystems, for performance or space?
I've idly pondered how to experimentally gather some crude statistics, but it feels like I'm just forgetting to search some obvious keywords.
#BillionFileFS #linux #filesystems #optimization #benchmarking

Public
Dendrobatus Azureus

HDD SSD space should be counted in binary.

1KB in binary is 1024.

A 32 TB hard drive is in fact 30.517578125 TB unpartitioned /unformatted capacity, as the binary system on the computer actually uses it

I know about all those confusing terms that you can find when you go and search on different engines; those are just to confuse and convolute the fact that drives sold are under capacity

Counting storage in decimals is a crime, a marketing scheme which should have been outlawed globally.

#FileSystems#HDD#SSD
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