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rgw: Update README for DBStore and Posix drivers 

Signed-off-by: Soumya Koduri <skoduri@redhat.com>
This commit is contained in:
Soumya Koduri 2024-11-12 12:04:33 +05:30
parent 60ae04d860
commit 4e130affe1
2 changed files with 12 additions and 14 deletions
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14
src/rgw/driver/dbstore/README.md
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@ -15,23 +15,21 @@ Add below cmake option (enabled by default)
## Running Test cluster ## Running Test cluster
Edit ceph.conf to add below option Edit ceph.conf to add below options
[client] [client]
rgw backend store = dbstore rgw backend store = dbstore
rgw config store = dbstore rgw config store = dbstore
Start vstart cluster To start the `vstart` cluster, run the following cmd:
MON=1 RGW=1 ../src/vstart.sh -o rgw_backend_store=dbstore -o rgw_config_store=dbstore -n -d MON=0 OSD=0 MDS=0 MGR=0 RGW=1 ../src/vstart.sh -n -d --rgw_store dbstore
The above vstart command brings up RGW server on dbstore. It creates default zonegroup, zone and few default users (eg., testid) to be used for s3 operations. The above `vstart` command brings up the RGW server on DBStore without the need for MONs or OSDs. It creates a default zonegroup, zone, and few default users (e.g., `testid`) to be used for S3 operations, and generates database files in the `dev` subdirectory, by default, to store them.
`radosgw-admin` can be used to create and remove other users, zonegroups and zones. `radosgw-admin` command can be used to create and remove other users, zonegroups and zones.
By default, dbstore creates .db file *'/var/lib/ceph/radosgw/dbstore-default_ns.db'* to store the data and *'/var/lib/ceph/radosgw/dbstore-config.db'* file to store the configuration. This can be configured using below options in ceph.conf
The location and prefix for the database files can be configured using the following options:
[client] [client]
dbstore db dir = <path for the directory for storing the db backend store data> dbstore db dir = <path for the directory for storing the db backend store data>
dbstore db name prefix = <prefix to the file names created by db backend store> dbstore db name prefix = <prefix to the file names created by db backend store>

12
src/rgw/driver/posix/README.md
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@ -23,15 +23,15 @@ Edit ceph.conf to add below option
rgw config store = dbstore rgw config store = dbstore
rgw filter = posix rgw filter = posix
Start vstart cluster To start the `vstart` cluster, run the following cmd:
MON=0 OSD=0 MDS=0 MGR=0 RGW=1 ../src/vstart.sh -o rgw_backend_store=dbstore -o rgw_config_store=dbstore -o rgw_filter=posix -n -d MON=0 OSD=0 MDS=0 MGR=0 RGW=1 ../src/vstart.sh -n -d --rgw_store posix
The above vstart command brings up RGW server on POSIXDriver. It creates default zonegroup, zone and few default users (eg., testid) to be used for s3 operations. The above vstart command brings up RGW server on POSIXDriver. It creates default zonegroup, zone and few default users (e.g., testid) to be used for s3 operations.
`radosgw-admin` can be used to create and remove other users, zonegroups and zones. `radosgw-admin` command can be used to create and remove other users, zonegroups and zones.
By default, the directory exported is *'/tmp/rgw_posix_driver'*. This can be changed with the `rgw_posix_base_path` option, either in ceph.conf or on the vstart command line above. By default, the directory exported, *'rgw_posix_driver'*, is created in the `dev` subdirectory. This can be changed with the `rgw_posix_base_path` option.
The POSIXDriver keeps a LMDB based cache of directories, so that it can provide ordered listings. This directory lives in `rgw_posix_database_root`, which by default is in *'/var/lib/ceph/radosgw'* The POSIXDriver keeps a LMDB based cache of directories, so that it can provide ordered listings. This directory lives in `rgw_posix_database_root`, which by default is created in the `dev` subdirectory