From 0e4d4da0e58f71b95cda07d6db140171cc899b67 Mon Sep 17 00:00:00 2001 From: Mikhail Zaslonko Date: Wed, 13 Sep 2023 14:05:15 +0200 Subject: [PATCH] zdump: Update zgetdump man page MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Update zgetdump man page with the information of compressed DASD dumps support as well as new verbose 'zgetdump -i' output entries. Signed-off-by: Mikhail Zaslonko Signed-off-by: Jan Höppner --- zdump/zgetdump.8 | 12 +++++++++++- 1 file changed, 11 insertions(+), 1 deletion(-) diff --git a/zdump/zgetdump.8 b/zdump/zgetdump.8 index 7b8849fb..9c99718c 100644 --- a/zdump/zgetdump.8 +++ b/zdump/zgetdump.8 @@ -194,6 +194,7 @@ The following dump formats are supported for the source dump only: .TP .BR "s390_ext" This dump format is IBM zSystems specific and is used for DASD dumps only. +Starting with s390_ext format version 2, dumps also support zlib compression. .TP .BR "vmdump" Dumps with this format are created by the z/VM vmdump command @@ -277,7 +278,16 @@ tool (see man zipl). .TP .BR "Dump file size" Actual size of dump file on disk in megabytes. "Dump file size" may differ from -the "dump memory range" because of zero memory chunks. +the "dump memory range" because of zero memory chunks or dump compression. +.TP +.BR "Zlib version" +The version of zlib used for compressed dumps. +.TP +.BR "Zlib compression unit" +Size of the input data chunks that has been used for the dump zlib compression +by the dump tool. Every chunk of data is compressed separately and can be +decompressed independently, allowing zgetdump to make fast read seeks. +.br .TP .BR "Memory map" Available memory chunks in the dump. Some dump tools create multiple memory