Re: ext4 metadata_csum and backwards compatibility

2018-03-20 Thread Steve Langasek
Hi TJ, On Sat, Mar 17, 2018 at 05:51:48AM +, TJ wrote: > There are some Enterprise and Data-centre scenarios where this may cause > some pain. > 1. iSCSI SAN where target and initiator are using incompatible versions > of e2fsprogs > 2. LVM SAN (sanlock or DLM) where host and clients are usin

Re: ext4 metadata_csum and backwards compatibility

2018-03-20 Thread Steve Langasek
On Mon, Mar 19, 2018 at 01:33:12PM +, Robie Basak wrote: > On Wed, Mar 14, 2018 at 09:49:17PM -0700, Steve Langasek wrote: > > It's not ideal for an interface to go from unsupported to mandatory in a > > single LTS cycle; but I don't believe that the use case of creating a > > filesystem with o

Re: zstd compression for packages

2018-03-20 Thread Steve Langasek
On Sat, Mar 17, 2018 at 03:09:55PM +, Dimitri John Ledkov wrote: > On 16 March 2018 at 22:13, Steve Langasek wrote: > > In other words: if we want to make this the default, we should quantify > > Daniel's remark that he would prefer a 6% faster download over a 10% faster > > unpack. > Well, I

Re: Supporting LZ4 as initramfs compressor

2018-03-20 Thread Steve Langasek
Hi Balint, On Mon, Mar 19, 2018 at 02:59:24PM +, Balint Reczey wrote: > Initramfs-tools uses gzip compression by default which served us well > for quite some time but LZ4 offers way faster decompression while > making a only slightly bigger initramfs files. When people have previously discu

Deprecation notice for mail-stack-delivery (dovecot) - planned to be dropped in 18.10

2018-03-20 Thread Christian Ehrhardt
Hello, since Ubuntu 18.04 has reached feature freeze we started to think about 18.10. One of the changes ahead is the dropping of the mail-stack-delivery package (part of dovecot). This package was created a long time ago with the intend to simplify several steps of a mail server setup, for exampl

Re: Bugs reports should include syslog warnings or not?

2018-03-20 Thread Matthew Paul Thomas
Robie Basak wrote on 19/03/18 19:41: >…> No, I think you have the inverse sense of what I intended. I mean that> by the _developer_ choosing to write upstream code such that something> is logged, Ah, I see, I misinterpreted “one” as referring to the user. >that developer is also implic