henri.shustak at gmail.com
Wed Jul 1 09:52:05 UTC 2020
Not sure if it is useful. Will put a plug in for a rsync hard based backup system primarily focused on macOS. If it is speed you are after, then this is probably not the right / helpful tool. But feel free to pick out what ever is useful for you : http://www.lbackup.org
> On 29/06/2020, at 7:29 AM, Matthias Schniedermeyer via rsync <rsync at lists.samba.org> wrote:
> On 28.06.2020 16:46, Rupert Gallagher wrote:
>> ????????????????????? Original Message ?????????????????????
>> On Sunday 28 June 2020 13:58, Matthias Schniedermeyer <ms at citd.de> wrote:
>> ST5000LM000-2AN1 sata hdd
>> Writing speed : 74 MB/s
>> Reading speed : 89 MB/s
> And this HDD is a SMR model(*) on top of beeing a 4k sector model emulating 512 byte sectors.
> So alignment needs to be correct and the filesystems must use 4k sectors.
> This HDD is NOT suitable for beeing used for small files and a hardlink-farm.
> SMR HDDs only reach best performance if used "like a tape drive" with large and linear writing.
> I use SMR HDDs myself and only use them for "really large" files (>500MB per file), otherwise they perform very poorly.
> I also align my partitions correctly and set XFS to "4k sector"-size.
> Which nowadaya means: I use 4k sectors for anything. As i only have been
> using 4k sector HDDs for nearly as long as they are on the market (IIRC >1 decade).
> Also SSDs are usually optimized for 4k sectors too.
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