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Forum Discussion
AMRivlin
Mar 20, 2013Apprentice
OS6 now works on x86 Legacy WARNING: NO NTGR SUPPORT!
Update: It is now unofficially possible using NTGR images to update legacy hardware to os6.X See Post #3, for directions to install 6.2.1 on x86 Ultra and Pro Models. (ARM NOT SUPPORTED by this OS) ...
- Jan 21, 2016
mdgm and I have decided that its time to lock this thread. So please do post any new OS6 on Legacy issues on their own threads.
mangrove
Oct 15, 2013Apprentice
Is anyone else seeing absolutely abysmal write performance on iSCSI with OS6? Talking about 3-4 MB/s with sequential random data writes after some time.
7TB LUN, four-disk Ultra4, RAID5. Edit: related to TrueCrypt in some way.
Creating a new (1TB), fresh LUN and disabling "continuous protection" for this LUN improves speed, but still only to 30-40 MB/s, which is much, much slower than OS4. edit: this is false, but I have no real performance numbers as of now
Regarding this, what does the "Continuous protection" checkbox actually do? One could guess that it would disable copy-on-write for the iscsi container, but that is done anyway (as it really, really should!) according to lsattr for the file. Some kind of manual snapshotting?
Creating a new (1TB), fresh LUN and disabling "continuous protection" for this LUN improves speed, but still only to 30-40 MB/s, which is much, much slower than OS4. edit: this is false, but I have no real performance numbers as of now
Regarding this, what does the "Continuous protection" checkbox actually do? One could guess that it would disable copy-on-write for the iscsi container, but that is done anyway (as it really, really should!) according to lsattr for the file. Some kind of manual snapshotting?
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