DASD limit
What is the DASD limit (gigabytes) that can be allocated to an LPAR on a i5 570 Power6 that is running V5R4?

Answer Question   |  November 25, 2012  9:47 PM
DASD, LPAR Configuration

DASD storage levels
Is there a recommended storage level percentage for optimum performance / cost ? Obviously I realise there are lots of factors to take into consideration, such as projected growth, disk sizes / arms, I/O etc. But with all these catered for should I be looking at something around 75% or say 50%? 50% would seem [...]

Answer Question   |  October 19, 2012  2:48 PM
DASD, Storage

How to find a large size object or fast growing object ?
Few days back we had an issue where DASD went up to 97% and even higher… Due to a user who have created a large file: Library . . . . . . : ABC Object Type Attribute Text XYZ *FILE ********** “Object with size has grown extremely High” We took a service dump and [...]

Answer Question   |  July 10, 2012  12:19 PM
DASD

mystery space used on production box
we’ve saved our production box, and restore it to a Disaster Recover box. the amount of DASD used is about 450Gig less than our prod box. everything seems to have restored (files, programs, logicals, ifs files, etc). restore sys and non-sys… can’t figure out what the extra 400gig is on our prod box…? anyone have [...]

Answer Question   |  May 14, 2012  3:58 PM
AS/400, DASD, Disaster Recovery

DASD Utilization
Is there a simple way to identify which libraries are taking up the most space? Also those with the most deleted records etc. And those which have not been used for many months. I want to chase down my apps teams and prove to them they need to do house keeping and not just keep [...]

Answer Question   |  March 17, 2012  5:52 PM
DASD, iSeries V5R4M5, iSeries V6R1

iSeries : Current Un Protected Usage.
Hello I see now a days my Current Unprotected Usage is keep touching the threshold value and coming back after some time. I’m not sure which job/jobs are causing the job in doing hike? Is there any way that we can track this?

Answer Question   |  February 28, 2012  2:08 PM
ASP, DASD, Memory, RAM

How to connect more than one DASD to IBM mainframe
how to connect more than one dasd to ibm mainframe?

Answer Question   |  October 25, 2010  2:02 PM
DASD, IBM Mainframe, RSS

ASP Increased over night; how do I get it back to a normal level?
we have noticed that our 570 box took a ASP hit from 62 % to 81% over a day.I am getting inputs from development staff what was happened ontheir side. Apart from that ,I want to investigate it from administration side what are the new objects saved during that period.but, i’m not sure how to do it. [...]

Answer Question   |  August 10, 2010  12:29 PM
AS/400, ASP, DASD

Require the method and steps to decrease ASP and DASD utilization.
Hi, I am new to AS400 Admin. And one of the AS400 box has high ASP utilization. The Disk space report shows the user libraries and user directories occupy maximum space. Can anyone please elaborate the steps I need to perform inorder to reduce the ASP utilization of the system.Specifically for purging by using RCLSTG [...]

Answer Question   |  February 1, 2010  7:51 AM
AS/400 performance, ASP, ASP Utilization, DASD, V5R4M0

dasd vs asp?
is the relation between DASD and ASP?

Answer Question   |  March 10, 2010  6:53 PM
ASP, DASD

Adding/Increasing Space on Wintel Server
How does the installation of space on a Wintel server compare with the installation of DASD storage on a mainframe processor

Answer Question   |  August 6, 2009  5:14 PM
DASD, WINTEL, Wintel Server

CPU overhead on DASD quota products
We are considering use of one the OEM products that allows real-time tracking of DASD dataset usage and setting quotas on usage with optional prevention of allocations over budget. I have unsuccessfully tried to find anything information on what processor overhead these products carry. Example Products: DTS Software DLimit BMC Mainview SRM Reporting (used to [...]

Answer Question   |  June 17, 2009  11:01 AM
DASD, DASD quota overhead, Direct access storage device, Disk quota management

Redirecting CA-View Output to DASD
How do you get the output from CA-View into a DASD dataset?

Answer Question   |  May 28, 2009  5:25 PM
CA, CA View, DASD

How do I determine the price ranges for an iSeries?
I am interested in understanding how much an iSeries costs (mid-range and enterprise level systems) and its associated hardware components such as DASD, memory, etc.. I have been browsing the internet, but I have not come across a site that clearly lists the price for a specific iSeries model or lists the price for all [...]

Answer Question   |  December 15, 2008  6:36 PM
AS/400, DASD, IBM, iSeries, iSeries Cost, iSeries Pricing

Installation time for disk drives
How much time should be allocated to install a 5095 with one 2780 PCI-X Ultra RAID Disk Controller and 12 – 4327 70.56GB 15k rpm Disk Drives?

Answer Question   |  November 9, 2012  8:20 PM
DASD, RAID, RAID Disk Controller

Sysplex Split
Does anyone have experience with splitting a sysplex with isolated dasd and tape on each new plex? How do you move tape data between the new plexes efficiently? The only methods we are aware of are very awkward at best, e.g. copy tape to dasd, ftp dasd file to other plex, copy back to tape. [...]

Answer Question   |  November 24, 2008  8:29 PM
DASD, Mainframe, Plex, Sysplex, Tape Backups

RGZPFM vs Reusing Deleted Records
Does anyone have an opinion on using one over the other? I am familiar with RGZPFM and it’s benefits but am not familiar with the PF option of reusing deleted records…I would think it would be better to reorganize the file rather than reusing deleted records becuase you could have a lot of deleted records [...]

Answer Question   |  October 27, 2008  5:27 PM
DASD, REUSEDLT, RGZPFM, Space allocation

Adding DASD to an IBM 9406-800 RAID
System has Device Parity Protection and PCI-X RAID disk unit controller. Currently have 4 17.54GB drives installed and need instruction on how to install 2 additional drives. Know how to physically install drives need to know the SST steps for intalling, formating and configuring the new drive array for RAID.

Answer Question   |  October 8, 2008  11:14 PM
DASD, Device Parity Protection, IBM 9406, iSeries Storage, PCI-X RAID, RAID

SRC10111520 Power Supply Problem
Hello, Recently we have a SRC10111520 displayed in operator panel and also in SAL log. This src is repeated evry ipl. Our server is Series 820 with the following config: 5157 Feature Power Supply 1 7127 DASD Expansion Unit 1 9002 Dual Line Cord Enabler 1 5157 feature means that a second power supply P02 [...]

Answer Question   |  June 23, 2008  1:53 PM
DASD, iSeries 820, Power management, Power supplies, SAL, Service Action Log, SRC10111520

Which is faster? SAN or DASD
In terms of speed/efficiency, which device type is better?

Answer Question   |  July 28, 2008  1:59 PM
DASD, SAN, Storage performance