Hi Harikrishna, Thank you for your email reply, greatly appreciated.
Thank you. On Wed, Sep 25, 2013 at 1:05 PM, Harikrishna Patnala < harikrishna.patn...@citrix.com> wrote: > My comments inline > > -Harikrishna > > On 25-Sep-2013, at 10:18 AM, Indra Pramana <in...@sg.or.id> wrote: > > > Dear all, > > > > During my (failed) upgrade attempt from CloudStack 4.1.1 to 4.2.0 early > > this week, I noted that CloudStack management server will automatically > > detect the database version and upgrade the database automatically. > > > > === > > 2013-09-24 02:23:48,145 INFO [utils.component.ComponentContext] > > (Timer-1:null) Running SystemIntegrityChecker managementServerNode > > 2013-09-24 02:23:48,145 INFO [utils.component.ComponentContext] > > (Timer-1:null) Running SystemIntegrityChecker databaseUpgradeChecker > > 2013-09-24 02:23:48,145 INFO [cloud.upgrade.DatabaseUpgradeChecker] > > (Timer-1:null) Grabbing lock to check for database upgrade. > > 2013-09-24 02:23:48,147 DEBUG [upgrade.dao.VersionDaoImpl] (Timer-1:null) > > Checking to see if the database is at a version before it was the version > > table is created > > 2013-09-24 02:23:48,154 INFO [cloud.upgrade.DatabaseUpgradeChecker] > > (Timer-1:null) DB version = 4.1.1 Code Version = 4.2.0 > > 2013-09-24 02:23:48,154 INFO [cloud.upgrade.DatabaseUpgradeChecker] > > (Timer-1:null) Database upgrade must be performed from 4.1.1 to 4.2.0 > > 2013-09-24 02:23:48,154 DEBUG [cloud.upgrade.DatabaseUpgradeChecker] > > (Timer-1:null) Running upgrade Upgrade410to420 to upgrade from > 4.1.0-4.1.1 > > to 4.2.0 > > 2013-09-24 02:23:48,159 DEBUG [utils.script.Script] (Timer-1:null) > Looking > > for db/schema-410to420.sql in the classpath > > 2013-09-24 02:23:48,160 DEBUG [utils.script.Script] (Timer-1:null) System > > resource: > file:/usr/share/cloudstack-management/setup/db/schema-410to420.sql > > 2013-09-24 02:23:48,160 DEBUG [utils.script.Script] (Timer-1:null) > Absolute > > path = /usr/share/cloudstack-management/setup/db/schema-410to420.sql > > === > > > > My questions: > > > > (1) Am I right to say that this database check and upgrade is done when > the > > cloudstack-management 4.2.0 service is started? It's not performed during > > the installation/upgrade of the cloudstack-management app (in my case, > > apt-get install cloudstack-management)? > >>> Yes database upgrade happens during the start of MS. It compares the > CS version in DB and MS version if upgrade path is defined DB upgrades to > the MS version. > Even during any fresh install, DB points to 4.0 and during start of MS, DB > upgrade happens to the MS version. > > > > (2) I used a new set of disk for my upgrade attempt by cloning the > existing > > disk to a new one (using dd), and perform the upgrade on the new disk. > When > > I failed the upgrade attempt, I just reverted back to the old disk and > > restore the database (which is hosted on a different server). The new set > > of disk is still containing the new 4.2.0 of cloudstack-management app > > inside. > > > > To perform another upgrade attempt, can I just boot-up using the new set > of > > disk (instead of re-cloning and re-doing the upgrade)? Will it again > detect > > that the existing database is still version 4.1.1, and will automatically > > upgrade the database to version 4.2.0 when the service is started? > >>> Yes, upgrade happens again since you have restored the DB to 4.1 and > during MS start it gets the DB version from version table (here it is 4.1). > > > > Looking forward to your reply, thank you. > > > > Cheers. > >