Re: [Gluster-devel] Physical HDD unplug test

2016-08-23 Thread Krutika Dhananjay
Should be OK. But running the same version on both clients and servers is always the safest bet. -Krutika On Mon, Aug 22, 2016 at 10:39 AM, qingwei wei wrote: > Hi, > > I updated my client to 3.7.14 and i no longer experience split-brain > error. It seems like there is some changes on the clien

Re: [Gluster-devel] Physical HDD unplug test

2016-08-21 Thread qingwei wei
Hi, I updated my client to 3.7.14 and i no longer experience split-brain error. It seems like there is some changes on the client side that fix this error. Please note that, for this test, i still stick to 3.7.10 server. Will it be an issue with client and server using different version? Cw On T

Re: [Gluster-devel] Physical HDD unplug test

2016-08-16 Thread Krutika Dhananjay
3.7.11 had quite a few bugs in afr and sharding+afr interop that were fixed in 3.7.12. Some of them were about files being reported as being in split-brain. Chances are that some of them existed in 3.7.10 as well - which is what you're using. Do you mind trying the same test with 3.7.12 or a later

Re: [Gluster-devel] Physical HDD unplug test

2016-08-16 Thread qingwei wei
Hi Niels, My situation is that when i unplug the HDD physically, the FIO application exits with Input/Output error. However, when i do echo offline on the disk, the FIO application does freeze a bit but still manage to resume the IO workload after the freeze. >From what i can see from the client

Re: [Gluster-devel] Physical HDD unplug test

2016-08-16 Thread Niels de Vos
On Tue, Aug 16, 2016 at 01:34:36PM +0800, qingwei wei wrote: > Hi, > > I am currently trying to test the distributed replica (3 replicas) > reliability when 1 brick is down. I tried using both software unplug > method by issuing the exho offline > /sys/block/sdx/device/state and > also physically

[Gluster-devel] Physical HDD unplug test

2016-08-15 Thread qingwei wei
Hi, I am currently trying to test the distributed replica (3 replicas) reliability when 1 brick is down. I tried using both software unplug method by issuing the exho offline > /sys/block/sdx/device/state and also physically unplug the HDD and i encountered 2 different outcomes. For software unplu