Hadithcore
Sunan Abi Dawud, 2435
hasan· Al-Albani

The tradition mentioned above has alos been transmitted by Abu Hurairah through a different chain of narrators to the same effect. This version adds:

He would fast all but a little of Sha'ban, rather he used to fast the whole of Sha'ban.

حَدَّثَنَا مُوسَى بْنُ إِسْمَاعِيلَ، حَدَّثَنَا حَمَّادٌ، عَنْ مُحَمَّدِ بْنِ عَمْرٍو، عَنْ أَبِي سَلَمَةَ، عَنْ أَبِي هُرَيْرَةَ، عَنِ النَّبِيِّ صلى الله عليه وسلم بِمَعْنَاهُ ‏.‏ زَادَ كَانَ يَصُومُهُ إِلاَّ قَلِيلاً بَلْ كَانَ يَصُومُهُ كُلَّهُ ‏.‏

References2 variants
In-Book Reference
Book 14, Hadith 123
English Reference
Book 13, Hadith 2429