Phi*_*lla 5 我自己发现了问题。 我看到一篇文章提到了CMR(传统磁记录)和SMR(叠瓦式磁记录),后者的写入性能有所下降。我检查了我的驱动器,发现我不小心购买了带有 SMR 的硬盘:( 我将保留镜像池,直到我用新的 CMR 驱动器替换驱动器。当我拥有新驱动器时,我还将使用镜像池。 谢谢你们!
Thanks to the FreeNAS community, we have uncovered a potential ZFS compatibility issue with some capacities of newer WD Red drives that use SMR (Shingled Magnetic Recording) technology. Update to this post: https://www.truenas.com/community/threads/update-wd-red-smr-drive-compatibility-with-zfs...
You mean SMR drives react too slow ; and their latency can be high; I think. This can indeed be a problem in RAID/multidevice configuration. Is that what you mean? For a single drive / single profile, it should not be a problem anymore since the change in the kernel blocklayer code...
None of these are SMR drives as they are all a few years old, before this SMR mess came about. These are in a RAID-z2 The pool was running fine until recently, although I've not been doing any heavy IO on it, so I can't say precisely when the problem began. I've had this h...
Guys on the picture, it was supposed to have a link in the caption to the CMR/ SMR piece but for some reason this article, when we split it, lost that caption link. I swapped the photo to a 10TB WD Red Pro drive and the link looks like it is there now. This was originally part...
I am also curious though if the use of 3 SMR type drives which are a big no no with Truenas, with ZFS filesystems in general, or with any type of Raid, caused an issue where the SATA bus was overloaded with the SMR's thrashing about and caused issues. This caused lots of people ...
SMrpool/u0224K2.00G66. 8M/rpool/u02一crpool/zones21K20. OG21K/rpaol/zon«svIvlUwH*'root?sol10 /J#发送和接受都成功。删除快照以及zfs文件系统:Lrootso110 /# zfs des 25、t厂oy rpoo1/monroot®so 110 /# zfs destroy rpool/u01mon匚臼门not destroy r rpoo 1/uOWmon1 : snapshot has...
Note that issue #10182 also refers to performance issues caused by this model being SMR masquerading as CMR. The situation now seems far worse than that. Describe how to reproduce the problem zpool replace onto a Western Digital WD40EFAX. Include any warning/errors/backtraces from the system ...
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新华社伦敦6月7日电(记者张薇、郑直)10名中国斯诺克球员日前因赌球、操纵比赛领到世界职业台球和斯诺克协会(世台联)开出的重磅罚单,其中两人被终身禁赛。世台联主席弗格森7日在接受新华社记者专访时表示,操纵球员的行为完全不可接受,而庞大的赌球网络还需要深挖,才能让各项运动更清白。