_kdave

5 ms·

1.
by _kdave 9mo ago
kdave.github.io
2.
by _kdave 2y ago
> How great Novell and Attachmate were as owners This is the opposite how I and not only I remember it. Novell did save S.u.S.E. in 2005 by the highly controversial deal. And then started to slowly dissolve its internal identity within t
3.
by _kdave 3y ago
I'm glad that research papers don't start with "we've analyzed linux kernel 2.6.18 sources (because this is what we had on our lab machines) and determined that ext3 is the best filesystem for our research purpose and no
4.
by _kdave 4y ago
By default the metadata profile is 'DUP' (i.e. 2 copies on one device), the same can be done for data but this reduces the usable capacity. On normal HDD or SSD this should not be needed but having both data and metadata DUP/
5.
by _kdave 4y ago
MDRAID had write hole until 4.4 (2015, https://lwn.net/Articles/665299/ ) and it had been long awaited back then. ZFS to my knowledge deals with that by variable stripe length that has its own problems but yeah it
6.
by _kdave 4y ago
Yeah but monitoring is not something that comes with the filesystem. If you have to set up the system to be a HA and configure monitoring, email notifications whatever, making sure the filesystem is created with redundant profiles, then I&#
7.
by _kdave 4y ago
AFAIK they use it internally, there are articles on lwn.net how, the use cases is for root filesystems and containers. I'm not sure I understand what you mean by the community sentiment, there are examples of code they'd developed
8.
by _kdave 4y ago
The development speed has to balance the schedule of linux kernel development (merge window, release candidates, 3 months cycle) and demand to merge several distinct features or core changes. There are no formal deadlines but we have to mak
9.
by _kdave 4y ago
> It won't boot on a degraded array by default, requiring manual action to mount it If you want it to behave like that then add 'degraded' to fstab. That a device is missing can have unknown reasons, the user should know
10.
by _kdave 4y ago
> it was very unfortunate that Linus chose to dub btrfs as the ext4 successor That quote is from Ted T'so ( https://en.wikipedia.org/wiki/Btrfs#History ) or do you have a link to Linus' quote?
11.
by _kdave 5y ago
Also tools like CUP386 did that for free, but anyway interesting read.
12.
by _kdave 5y ago
Booting from zoned device on btrfs is not supported, the 0th zone contains the super block and the boot loader data are before any superblock so updating them would require reset and complete rewrite of the live data in the zone. The '
13.
by _kdave 6y ago
Insert a delay before the image is returned by the server, watch who starts complaining.