সাধারণত যখন আমি একটি নতুন পরিবেশে শুরু করি, তখন আমি ব্যাকআপগুলি কোথায় ছিল তা কখন শেষ দেখানো হয়েছিল, শেষটি কখন পুনরুদ্ধার করা হয়েছিল এবং আমি সুরক্ষাটিও পরীক্ষা করে দেখছি check
আমি যেভাবে এটি করি তা টি-এসকিউএল এর মাধ্যমে।
ব্যাকআপগুলি পরীক্ষা করুন
;with Radhe as (
SELECT @@Servername as [Server_Name],
B.name as Database_Name,
ISNULL(STR(ABS(DATEDIFF(day, GetDate(), MAX(Backup_finish_date)))), 'NEVER') as DaysSinceLastBackup,
ISNULL(Convert(char(11), MAX(backup_finish_date), 113)+ ' ' + CONVERT(VARCHAR(8),MAX(backup_finish_date),108), 'NEVER') as LastBackupDate
,BackupSize_GB=CAST(COALESCE(MAX(A.BACKUP_SIZE),0)/1024.00/1024.00/1024.00 AS NUMERIC(18,2))
,BackupSize_MB=CAST(COALESCE(MAX(A.BACKUP_SIZE),0)/1024.00/1024.00 AS NUMERIC(18,2))
,media_set_id = MAX(A.media_set_id)
,[AVG Backup Duration]= AVG(CAST(DATEDIFF(s, A.backup_start_date, A.backup_finish_date) AS int))
,[Longest Backup Duration]= MAX(CAST(DATEDIFF(s, A.backup_start_date, A.backup_finish_date) AS int))
,A.type
FROM sys.databases B
LEFT OUTER JOIN msdb.dbo.backupset A
ON A.database_name = B.name
AND A.is_copy_only = 0
AND (A.type = 'D') --'D' full, 'L' log
GROUP BY B.Name, A.type
)
SELECT r.[Server_Name]
,r.Database_Name
,[Backup Type] = r.type
,r.DaysSinceLastBackup
,r.LastBackupDate
,r.BackupSize_GB
,r.BackupSize_MB
,F.physical_device_name
,r.[AVG Backup Duration]
,r.[Longest Backup Duration]
FROM Radhe r
LEFT OUTER JOIN msdb.dbo.backupmediafamily F
ON R.media_set_id = F.media_set_id
ORDER BY r.Server_Name, r.Database_Name
সুরক্ষা যাচাইয়ের জন্য:
কেনেথ ফিশার দ্বারা সার্ভার স্তর এবং ডেটাবেস অনুমতি
পুনরুদ্ধারগুলি পরীক্ষা করা হচ্ছে:
DECLARE @dbname sysname, @days int
SET @dbname = NULL --substitute for whatever database name you want
SET @days = -30 --previous number of days, script will default to 30
SELECT
rsh.destination_database_name AS [Database],
rsh.user_name AS [Restored By],
CASE WHEN rsh.restore_type = 'D' THEN 'Database'
WHEN rsh.restore_type = 'F' THEN 'File'
WHEN rsh.restore_type = 'G' THEN 'Filegroup'
WHEN rsh.restore_type = 'I' THEN 'Differential'
WHEN rsh.restore_type = 'L' THEN 'Log'
WHEN rsh.restore_type = 'V' THEN 'Verifyonly'
WHEN rsh.restore_type = 'R' THEN 'Revert'
ELSE rsh.restore_type
END AS [Restore Type],
rsh.restore_date AS [Restore Started],
bmf.physical_device_name AS [Restored From],
rf.destination_phys_name AS [Restored To]
FROM msdb.dbo.restorehistory rsh
INNER JOIN msdb.dbo.backupset bs ON rsh.backup_set_id = bs.backup_set_id
INNER JOIN msdb.dbo.restorefile rf ON rsh.restore_history_id = rf.restore_history_id
INNER JOIN msdb.dbo.backupmediafamily bmf ON bmf.media_set_id = bs.media_set_id
WHERE rsh.restore_date >= DATEADD(dd, ISNULL(@days, -30), GETDATE()) --want to search for previous days
--AND destination_database_name = ISNULL(@dbname, destination_database_name) --if no dbname, then return all
ORDER BY rsh.restore_history_id DESC
GO
আত্ম:
--first thing - go to the publisher DB and find out the distributor server and DB
sp_helpdistributor
-- go to the distributor server and DB found above and run the following:
sp_replmonitorhelppublication null
প্রতিবিম্বিত:
--==============================================================================
-- query that shows the current state of each database in the mirroring
--==============================================================================
SELECT db_name(sd.[database_id]) AS [Database Name]
,sd.mirroring_state AS [Mirror State]
,sd.mirroring_state_desc AS [Mirror State]
,sd.mirroring_partner_name AS [Partner Name]
,sd.mirroring_role_desc AS [Mirror Role]
,sd.mirroring_safety_level_desc AS [Safety Level]
,sd.mirroring_witness_name AS [Witness]
,sd.mirroring_connection_timeout AS [Timeout(sec)]
FROM sys.database_mirroring AS sd
WHERE mirroring_guid IS NOT null
ORDER BY [Database Name];
সবসময়
আমি স্ক্রিপ্টটি রুডি পানিগাস দ্বারা ব্যবহার করি
-- Always On Status Report
--
-- This script will show the status of the Alway On replication status
SELECT DISTINCT
primary_replica as 'Primary Server',
[endpoint_url] as 'End Point URL',
primary_recovery_health_desc as 'Primary Server Health Status',
secondary_recovery_health_desc as 'Secondary Server Health Status',
operational_state_desc as 'Operational State',
connected_state_desc as 'Connection State',
recovery_health_desc as 'Recovery Health',
synchronization_state_desc as 'Synchronization State',
database_state_desc as 'Database State',
JOIN_state_desc as 'Join State',
suspend_reason_desc as 'Suspended Reason',
availability_mode_desc as 'Availability Mode',
failover_mode_desc as 'Failover Mode',
primary_role_allow_connections_desc as 'Primary Connections Allowed',
secondary_role_allow_connections_desc as 'Secondary Connections Allowed',
create_date as 'Date Created',
modify_date as 'Date Modified',
[backup_priority] as 'Backup Priority',
role_desc as 'Role Type',
last_connect_error_description as 'Last Connection Error',
last_connect_error_timestamp as 'Last Connection Error Time',
last_sent_time as 'Last Data Send Time',
last_received_time as 'Last Data Recieved TIme',
last_hardened_time as 'Last Hardened Time',
last_redone_time as 'Last Redone Time',
log_send_queue_size as 'Log Send Queue Size',
log_send_rate as 'Log Send Rate',
redo_queue_size as 'Redo Queue Size',
redo_rate as 'Rate of Redo',
filestream_send_rate as 'Filestream Send Rate',
last_commit_time as ' Last Commit Time',
low_water_mark_for_ghosts as 'Low Water Mark for Ghosts'
FROM sys.dm_hadr_availability_group_states
JOIN sys.availability_replicas
ON sys.dm_hadr_availability_group_states.group_id = sys.availability_replicas.group_id
JOIN sys.dm_hadr_availability_replica_cluster_states
ON sys.dm_hadr_availability_group_states.group_id = sys.dm_hadr_availability_replica_cluster_states.group_id
JOIN sys.dm_hadr_availability_replica_states
ON sys.dm_hadr_availability_group_states.group_id = sys.dm_hadr_availability_replica_states.group_id
JOIN sys.dm_hadr_database_replica_states
ON sys.dm_hadr_availability_group_states.group_id = sys.dm_hadr_database_replica_states.group_id
WHERE operational_state_desc IS NOT NULL
AND database_state_desc IS NOT NULL
ORDER BY [endpoint_url] DESC
-- Testing section
/*
-- Suspend replication from primary
ALTER DATABASE [AdventureWorksLT2008] SET HADR SUSPEND
-- Resume replication from secondary
ALTER DATABASE [AdventureWorksLT2008] SET HADR RESUME
-- Force a manual failover of replication with data loss. MUST EXECUTE ON SECONDARY SQL SERVER
ALTER AVAILABILITY GROUP [AG-AdventureWorksLT2008] FORCE_FAILOVER_ALLOW_DATA_LOSS;
-- Force a manual failover of replication with NO data loss MUST EXECUTE ON SECONDARY SQL SERVER
--- YOU MUST EXECUTE THE FOLLOWING SCRIPT IN SQLCMD MODE.
--Connect VDV1OPS03
ALTER AVAILABILITY GROUP [AG-AdventureWorksLT2008] FAILOVER;
GO
--- YOU MUST EXECUTE THE FOLLOWING SCRIPT IN SQLCMD MODE.
--:Connect OPSDBSRV
ALTER AVAILABILITY GROUP [AG-AdventureWorksLT2008] FAILOVER;
GO
*/
লগ শিপিং:
এসকিউএল সার্ভার ডাটাবেসগুলির জন্য লগ শিপিংয়ের নিরীক্ষণের বিভিন্ন উপায়
প্রশ্ন:
উপরোক্ত বিষয়গুলি ব্যতীত, অগ্রাধিকারের বিষয় হিসাবে নতুন পরিবেশ শুরু করার সময় আমার অন্যান্য জিনিসগুলি যাচাই করা উচিত?