hi, all,
We are using gluster 3.5.2 on standard 3TB*12 machines, some hosts also got SSD on the machines as well;
--
two questions:
1. Is there mature solution, I can use the SSD as the write cache for sata disks? So I can combine the power of SSD as write cache(and even read cache), and the capacity provided by SATA disks?
I heard on Ceph there is tied storage solution already, on glusterfs i did't see that on documentation;
Anyone used solution like facebook flashcache solution?
Anyone used solution like facebook flashcache solution?
2. As sata disks fails often(relatively, when you got lots of disks...), each time a disk fails, i will have to manually replace the disks, and replace the bricks;
Can we setup spare bricks?
Say, I have 12*3TB sata disks, I only use 10 disks as 10 Bricks with data on it, and have 2 disks configured with filesystem, as part of volume, without putting data on the brick/filesystem? So in case on brick fails, this brick automatically replace that failed disks? Just like hotspare in raid?
Thanks;
Regards
Zhu Chao
Zhu Chao
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