I had a somewhat related issue. An NFS domain I was using for an iso
domain failed. It set off a sequence of constantly rebooting hosts
(when fencing was enabled) and constantly deactivating/reactivating
hosts (when I disabled fencing). For about a day, oVirt was completely
unusable. All because an iso domain died.
On 2/12/19 5:16 AM, Hetz Ben Hamo wrote:
Hi,
Well, there is a severe bug that I complained about it on 4.2 (or 4.1?
I don't remember) and it's regarding "yanking the power cable".
Basically I'm performing a simple test: kill all hosts immediately to
simulate a power loss without UPS.
For this test I have 2 nodes, and 4 storage domains: hosted_storage
(that was setup during the HE installation), 1 iSCSI domain, 1 NAS
domain and 1 ISO domain.
After all the nodes loose power, I power them on and the following
procedure happens:
1. The node with HE finishes booting, and it takes few minutes until
the HE is up.
2. When the HE is up, all the storage domains comes back to life as
online and VM's with high availability starting to boot.
3. Few minutes later, *all* (with the exception of hosted_storage)
storage domains are going down
4. After about 5 minutes, all the other storage domains which went
down, are coming up, but by then, and VM's without high availability
that are not hosted on hosted_storage remains down, you'll need to
power them manually back.
This whole procedure takes about 15-25 minutes after booting the
nodes, and this issue is always repeatable, just kill the power to the
nodes, power them up again and see for yourself.
The solution would be to change the code and if a storage domain is up
- *leave it up*, skip the check.
Thanks
On Tue, Feb 12, 2019 at 11:56 AM Sandro Bonazzola <sbona...@redhat.com
<mailto:sbona...@redhat.com>> wrote:
Hi,
We are planning to release the first candidate of 4.3.1 on
February 20th[1] and the final release on February 26th.
Please join us testing this release candidate right after it will
be announced!
We are going to coordinate the testing effort with a public Trello
board at https://trello.com/b/5ZNJgPC3
<https://secure-web.cisco.com/19tMFHUU8AN_mu0gmv9OWNh8f-UCJz4v4zkeKzkAMiVuCUe5fdMqXHPQ9M--nvrxJDB_T1_fDOoyAXdcJmHnKH1Z9ioQyBicEiX84OtscbWZa-O0SjSLBTAeU4jOrrj9Jhc4USPWg5qIXGs8C9M78YBHjD-npSQKqWJ2J0OW2qpmNuX5vJnSawHv4c0ub6EVnUUibOr5OLGLMihoabYON37aqjY1sIVGbm_cu8tGucHvEMTf49jWDJ3_umvER6KJkIiCF7E1aWphDlHviNHftyJ4iyDqhLUB7A6o6Fjhmv9mbPkcvhi8-hh8JMzzMWe4o8y3d44L6bN1gioEVwFZWrwfgIeqzG-TEynHbmqNRb02oualCr2C7Be6j14Qk3rTvqg-mmv-7lmUWeJTeagAsVvLaeqaTmpLmPJDiv1W7jps5h7j3e5IrxRyWYBFr26pXoSo8H3ALXlYCQP7qfXvR8A/https%3A%2F%2Ftrello.com%2Fb%2F5ZNJgPC3>
You'll find instructions on how to use the board there.
If you have an environment dedicated to testing, remember you can
setup a few VMs and test the deployment with nested virtualization.
To ease the setup of such environment you can use Lago
(https://github.com/lago-project
<https://secure-web.cisco.com/1BeQUAr8MMBNrI4PCobsLuO7Qe9jzr0ZvZTZGhQh384k1YRSU6NJQ_WoiLsFxvuEiIi-hlmtoimhhPmBe41sSfytf7gRUX0M7M6QId1kn8dXa9n6Ha0TO4rPyhE-_gd2vJSuEAcQpIqW7uvKs74viArMbrjeJQCEm2MTxzPBx1wblDiIbzIFWbaJ4sRYvOBHmVxiqygpFeFdnWtrSuV7k-PbW3E656dEmzSJKN5O3-vqVJm6ABC5Gyzuq9-PPdmr-I11rU7R38trx90V8zI-oyaCcWsg-ZG6hYV9eJ1YEMBaKC4Bt10_UTCiqQS0YBiQh_AvWBQfVp7mpan7BrriUBSddBRbpd4pAAoenuKOps3wTojpj75B9KFHBpmrcnescxH25eiUt2gblQv2gGiGv0FPSl0C_J8jFNmnIEkKVWOYy8QsRZ6WXfrZTtg-eGYrZHhkmCgLH65Z1Dok59ZQIYQ/https%3A%2F%2Fgithub.com%2Flago-project>)
The oVirt team will monitor the Trello board, the #ovirt IRC
channel on irc.oftc.net
<http://secure-web.cisco.com/1AfGdhSCI98FB8KeFrMkWEyYPf6W8Jf9hX3KNWucgkWwoyzgxT7pHASgb_tr4v0FUk1yIg0iMBHM2cWd5U9W3Oq7Xiwg97IMJ0eurn2dAkRghHPqbUI-fMLHKONlnoZxWpOu5Bw_cUt8GbKzg4H0TArA7au2Nx7mvZ8uN7KrU8MrgCr9YZAI7xzy8LGsx_7VLgkm1v1BWJWlWo0QkwMxkTjvc5U8yyQ-40I3AHrfPjAM-h_hH2aPHFKnKfLlS_QPQ5dKnCjxjWzVLP1ZDexwFB8dia9iOiEfvePf6qKLUpwK4je4hEFzPlnmvKuaXaIxSgsDM-dlLN_1DvNu3LGRtRFUdbIvzTAh_zSdwYxqRghVp0mM6b5W6wiWHq9wnSnqxDvVX0287XVF9D-nLpOvAEEHNXv9eFow-qGwz8UMetkD0Jyz6l-w8eiGW6AI0aRFCKPksn7Kag-jPJN-X64JJZaW5hBC6vyonbDXP5GK6xG4/http%3A%2F%2Firc.oftc.net>
server and the users@ovirt.org <mailto:users@ovirt.org> mailing
list to assist with the testing.
[1]
https://www.ovirt.org/develop/release-management/releases/4.3.z/release-management.html
<https://secure-web.cisco.com/1lIGHA_179QMqhSQ6BZn0ljgjmOZGmV7ZS0dusvQLWyDTssBNB4F11P-1-e7ow3YtJRivBLFqK0R7fDAwU_Ub1haKyaltZ00GzX4roujauyBvHV0nul4WBcXo-vOwfUWQK0gGPjQOHND_j7rK4lap5Z-cC0OCraVp1mVEKrz_RoKiEd3PRT7vRpM7MSEG1zTqrAxF9fCXOHyplSE-8iBByu5-G6rFC5oZ4p1Fbfru_mvQdeO7YM2ff0vd0x1oL1ygN3RD7gBmlqhEp8whpUcLpGjnpa473yQo-KsdmQs099EnDav2rjr_cxXx8-_63Nzaj7XFQwcbJptgVudvJg0E1T6mQ6C5vq3gR3-cW4V2KFJI_pv0dxcFXun3LE7RvRWXcMxS6-tag8O0f58Rt5aAxFNYuA4bzUZGg35teUfO03yRzP6xlvCAghyeIIpP_eU9uPDa-K4OpVsbAyOK38wmGw/https%3A%2F%2Fwww.ovirt.org%2Fdevelop%2Frelease-management%2Freleases%2F4.3.z%2Frelease-management.html>
--
SANDRO BONAZZOLA
MANAGER, SOFTWARE ENGINEERING, EMEA R&D RHV
Red Hat EMEA
<https://secure-web.cisco.com/1ztDL86ZK_q323kK046d-4WFhg99m1xXg3DiLsZPOOa0uSekHMUOHkySox6Jst7n8X7Jv4SAWyaavXdwXU3q-M6vt19URppLY2OBEfFty4vuWJQR_Za0x_U6DTLv-Qjy5Ha_MIM44EizxkVDnNsFrrzdpyvsgrQ8C4kCTyhViTgA6EZvREo5r5PXC3qnJVqSfMr9DvK_N-KIMzZV4sROM0QBxWKBcdj8YOUFtPGeCeSOwV1n1rwht1YfrgVWwHA0IvFSdL6W5KZrcctvCtRIuYbk1ysYZrFC1SUmLCUaGzyhzCPW9YhKniLcAuYzCIplwh7kbhArU9RF9sf3FA-wYtBg_yOrMXfn2Ipms9pxR52TJSi8WGXDoHmCmM5q8U9fcm0DFGkh6mGIvnH_uJ1OGteK94HW0JXDCMxJHl8r7I9gnn1W8s6EAg2_-4Htgv_jnDKXM2aC_3S6A7kiZdf0K_w/https%3A%2F%2Fwww.redhat.com%2F>
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